64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 447 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Greenwich, CT (2026)
355 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Greenwich: Mosquito Squad of Greenwich, CR Score 64/100; 4.9★ from 447 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Mosquito Joe of Gold Coast CT, posts 24/7 hours; ranked #2 of 355.
- 5
Most-reviewed: Anchor Pest Control, 3,638 Google reviews at 5.0★, the most of 355 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
355 Greenwich pest control companies are ranked here by CR Score, from ten published factors. 121 are open 24/7, 282 open Saturdays and 180 open Sundays, based on posted hours. The median Google rating is 5.0★ across 355 rated businesses.
Most of this list also appears on the Pest control companies in Stamford ranking. See Pest control companies in Stamford
Top 10 pest control companies in Greenwich at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mosquito Squad of Greenwich | 64 | 4.9★ (447) | Greenburgh, 3 mi away | 24/7 | Overall |
| 2 | Mosquito Joe of Gold Coast CT | 63 | 5.0★ (375) | Stamford, 7 mi away | 24/7 | Emergencies |
| 3 | Mosquito Squad of New Haven & Fairfield County | 63 | 4.9★ (1,067) | Norwalk, 12 mi away | 24/7 | — |
| 4 | Orkin | 62 | 4.7★ (1,387) | Greenburgh, 10 mi away | 24/7 | — |
| 5 | Anchor Pest Control | 62 | 5.0★ (3,638) | Paramus, 24 mi away | 24/7 | Most reviews |
| 6 | Eliminate 'Em Pest Control Services | 62 | 4.9★ (208) | White Plains, 5 mi away | 24/7 | — |
| 7 | Terminix | 62 | 4.6★ (755) | Greenburgh, 8 mi away | 24/7 | — |
| 8 | EZ Wildlife & Pest Control | 61 | 5.0★ (134) | New Rochelle, 7 mi away | 24/7 | — |
| 9 | Lawn Doctor of Fairfield County and Westchester County | 61 | 4.8★ (514) | Stamford, 7 mi away | Sat · Sun | — |
| 10 | EcoShield Pest Solutions | 60 | 4.9★ (1,308) | Greenburgh, 10 mi away | Sat · Evenings | — |
The 355 best pest control companies in Greenwich, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Stamford, 7 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 375 Google reviews, listed on Google as “Pest control service”.
Based in Norwalk, 12 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 1,067 Google reviews, listed on Google as “Pest control service”.
#4 Orkin
Based in Greenburgh, 10 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 1,387 Google reviews, listed on Google as “Pest control service”.
Based in Paramus, 24 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 3,638 Google reviews, listed on Google as “Pest control service”.
Based in White Plains, 5 mi away
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 208 Google reviews, listed on Google as “Pest control service”.
#7 Terminix
Based in Greenburgh, 8 mi away
62/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 755 Google reviews, listed on Google as “Pest control service”.
Based in New Rochelle, 7 mi away
61/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “Pest control service”.
Based in Stamford, 7 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 514 Google reviews, listed on Google as “Pest control service”.
Based in Greenburgh, 10 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 1,308 Google reviews, listed on Google as “Pest control service”.
Based in The Bronx, 18 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 555 Google reviews, listed on Google as “Pest control service”.
Based in Yonkers, 13 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 668 Google reviews, listed on Google as “Pest control service”.
Based in Whitestone, 18 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 944 Google reviews, listed on Google as “Pest control service”.
Based in The Bronx, 15 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 183 Google reviews, listed on Google as “Pest control service”.
Based in Mamaroneck, 8 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 622 Google reviews, listed on Google as “Pest control service”.
Based in Greenwich
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Pest control service”.
Based in Greenburgh, 10 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 2,816 Google reviews, listed on Google as “Pest control service”.
Based in Greenburgh, 10 mi away
60/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 1,009 Google reviews, listed on Google as “Pest control service”.
Based in The Bronx, 10 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Pest control service”.
Based in New Rochelle, 9 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 102 Google reviews, listed on Google as “Pest control service”.
Based in Brentwood, 23 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 691 Google reviews, listed on Google as “Pest control service”.
Based in The Bronx, 14 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “Pest control service”.
#23 Orkin
Based in New Hyde Park, 20 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.4★ from 3,420 Google reviews, listed on Google as “Pest control service”.
Based in Uniondale, 22 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 1,619 Google reviews, listed on Google as “Pest control service”.
Based in The Bronx, 20 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 396 Google reviews, listed on Google as “Pest control service”.
How we ranked Greenwich pest control companies
We scored 355 Greenwich pest control companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 2, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Greenwich data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Pest control companies in Greenwich: frequently asked questions
Who is the best pest control company in Greenwich?
By CR Score, the highest-ranked pest control company in Greenwich, CT is Mosquito Squad of Greenwich with a CR Score of 64/100. It has 4.9★ from 447 Google reviews. It is open 24/7. Mosquito Joe of Gold Coast CT (#2) and Mosquito Squad of New Haven & Fairfield County (#3) follow. We ranked 355 pest control companies on ten factors, last updated November 2, 2026.
How many pest control companies are there in Greenwich?
ContractorsRanked ranks 355 pest control companies serving Greenwich, CT. 1 of them is based in Greenwich; the rest serve it from nearby towns. Counts are as of November 2026.
Which pest control companies in Greenwich are open 24/7?
121 ranked pest control companies in Greenwich post 24/7 hours. The highest-ranked are Mosquito Squad of Greenwich (#1), Mosquito Joe of Gold Coast CT (#2) and Mosquito Squad of New Haven & Fairfield County (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Greenwich work on weekends?
282 of 355 ranked pest control companies post Saturday hours and 180 post Sunday hours. The highest-ranked open Saturdays are Mosquito Squad of Greenwich (#1), Mosquito Joe of Gold Coast CT (#2) and Mosquito Squad of New Haven & Fairfield County (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Greenwich pest control companies have?
The median Google rating among 355 rated pest control companies in Greenwich is 5.0★, with a median of 26 reviews. Anchor Pest Control has the most, 3,638 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank pest control companies?
Each pest control company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do pest control companies outside Greenwich count in this ranking?
Yes, if they are within 25 mi of the Greenwich city center, our service radius for pest control companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can pest control companies pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Greenwich
- November 2026: CR Scores recalculated for 355 pest control companies serving Greenwich.
- November 2026: 4 duplicate listings merged.
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